68504534028 has 120 divisors (see below), whose sum is σ = 208023498144. Its totient is φ = 19251820800.

The previous prime is 68504533969. The next prime is 68504534039. The reversal of 68504534028 is 82043540586.

68504534028 is a `hidden beast` number, since 68 + 50 + 4 + 534 + 0 + 2 + 8 = 666.

68504534028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109233 + ... + 385928.

Almost surely, 2^68504534028 is an apocalyptic number.

It is an amenable number.

68504534028 is an abundant number, since it is smaller than the sum of its proper divisors (139518964116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68504534028 is a wasteful number, since it uses less digits than its factorization.

68504534028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495245 (or 495234 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 68504534028 in words is "sixty-eight billion, five hundred four million, five hundred thirty-four thousand, twenty-eight".